Aluminum Profile Powder Coating for Architectural Applications

Surface Finish Options Overview

When it comes to aluminum profiles, whether for windows, doors, curtain walls, or industrial frames, the surface finish is crucial for durability, aesthetics, and long-term performance. Our aluminum profile powder coatings provide a reliable, high-performance solution for manufacturers and fabricators worldwide.

Why Choose Our Aluminum Powder Coatings?

Excellent Weather Resistance

Designed for outdoor and indoor applications, our coatings resist fading, chalking, and cracking under prolonged exposure to sunlight and harsh weather conditions.

Superior Corrosion Protection

Protects aluminum profiles from rust, water damage, and acid/base corrosion, extending the life of your products.

Decorative and Versatile

Available in multiple colors, gloss levels, metallic and textured finishes, giving your aluminum profiles a high-end, professional appearance.

Durable and Scratch-Resistant

Maintains a smooth, intact surface even under heavy use or mechanical stress, ideal for architectural and industrial applications.

Eco-Friendly and Safe

Our coatings are low VOC, solvent-free, and compliant with international environmental standards, making them safe for both workers and end-users.

Applications

Factory Direct Supply & Custom Solutions

We are a China-based powder coating manufacturer with over 20 years of experience. We offer:

MOQ as low as 100KG – suitable for small or large production batches

Custom colors and finishes – matte, gloss, metallic, or textured

Fast worldwide shipping – reliable delivery to global clients

Investing in high-quality aluminum profile powder coating ensures that your products not only look premium but also resist weathering, corrosion, and wear over time.

Contact us today for factory-direct powder coatings with custom solutions.

FAQ

1. What is Powder Coating?

Powder coating is a dry finishing process used to apply a protective and decorative coating on metal or other surfaces. Instead of using liquid paint, fine powder particles (usually made of polyester, epoxy, or hybrid resins) are electrostatically charged and sprayed onto a conductive surface. The coated object is then baked in an oven, where the powder melts, flows, and cures into a smooth, durable finish.

Key features:

Durable, hard finish

Resistant to scratches, corrosion, and UV

Environmentally friendly (no VOCs)

2. Benefits of Powder Coating

Powder coating offers several advantages over traditional liquid painting:

Durability: Resistant to chipping, scratching, fading, and wear.

Corrosion Protection: Provides excellent protection against rust and chemicals.

Environmentally Friendly: No volatile organic compounds (VOCs) and minimal waste.

Efficiency: Overspray can be collected and reused, up to 99% material utilization.

Uniform Finish: Smooth, even coating without runs or drips.

Cost-Effective: Single-coat systems can achieve high film thickness, reducing labor and energy.

Aesthetic Variety: Wide range of colors, textures, and effects.

3. What Temperature to Cure Powder Coating

The curing temperature depends on the type of powder used:

Epoxy powder: ~160–200°C (320–392°F)

Polyester powder: ~180–210°C (356–410°F)

Hybrid (Epoxy-Polyester) powder: ~180–200°C (356–392°F)

Typical curing time: 10–20 minutes depending on thickness and oven type.

Always follow the powder manufacturer’s specifications for best results.

4. Process for Powder Coating

The powder coating process usually follows these steps:

Surface Preparation:

Clean the surface thoroughly (remove oil, grease, rust, or dirt)

Methods: chemical cleaning, sandblasting, or phosphating

Pre-Treatment:

Apply a conversion coating or primer if needed to improve adhesion

Powder Application:

Spray the powder using an electrostatic spray gun or fluidized bed

Curing:

Bake the coated object in an oven at the recommended temperature for the powder type

The powder melts and forms a continuous, smooth film

Cooling & Inspection:

Let the coated item cool

Inspect for defects, uniform coverage, and desired thickness

5. How to Spray Powder Coat

Equipment Needed:

Electrostatic spray gun

Compressed air supply

Powder feed hopper or container

Grounding of the object

Steps:

Ground the object: Ensures the charged powder is attracted to the surface.

Spray evenly: Hold the gun 6–12 inches from the surface, moving in smooth, overlapping strokes.

Apply sufficient powder: Ensure full coverage without excessive buildup.

Cure immediately: Transfer the sprayed item to the curing oven to fuse the powder into a solid coating.

Tips:

Maintain consistent speed and distance while spraying.

Use proper ventilation to reduce airborne powder accumulation.

Test a small area to check film thickness and color before full application.